World’s Largest Solar-Powered Boat

Fishermen gather to watch the Swiss 'PlanetSolar', the largest solar-powered boat in the world, sail into the River Bouregreg marina, piloted by the skipper Gerard d'Aboville, on April 16,2013, in Rabat. The 31-meter boat is covered in over 500 square meters of solar panels and was built in Kiel, Germany in 2010. Photo: AFP/Getty Images

In this file picture taken on August 15, 2011 the Turanor PlanetSolar, the first solar-powered boat to travel around the world, arrives in Hong Kong. The Swiss solar catamaran, PlanetSolar, which has just circumnavigated the globe in 19 months without a drop of fuel. Photo: AP

A bright white cockpit sticking up in the centre of the deck of ship. Photo: AFP/Getty Images

Part of the crew of The PlanetSolar boat cook in a kitchen of the boat. Photo: AFP/Getty Images

French captain Erwann Le Rouzic sits at the helm on board the PlanetSolar. Photo: AFP/Getty Images